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/*
* WPCleaner: A tool to help on Wikipedia maintenance tasks.
* Copyright (C) 2013 Nicolas Vervelle
*
* See README.txt file for licensing information.
*/
package org.wikipediacleaner.api.check.algorithm;
import java.util.Collection;
import java.util.List;
import org.wikipediacleaner.api.check.CheckErrorResult;
import org.wikipediacleaner.api.data.PageAnalysis;
import org.wikipediacleaner.api.data.PageElementTag;
/**
* Algorithm for analyzing error 29 of check wikipedia project.
* Error 29: Gallery not correct end
*/
public class CheckErrorAlgorithm029 extends CheckErrorAlgorithmBase {
public CheckErrorAlgorithm029() {
super("Gallery not correct end");
}
/**
* Analyze a page to check if errors are present.
*
* @param analysis Page analysis.
* @param errors Errors found in the page.
* @param onlyAutomatic True if analysis could be restricted to errors automatically fixed.
* @return Flag indicating if the error was found.
*/
@Override
public boolean analyze(
PageAnalysis analysis,
Collection<CheckErrorResult> errors, boolean onlyAutomatic) {
if (analysis == null) {
return false;
}
// Check every <gallery> tag
List<PageElementTag> galleryTags = analysis.getTags(PageElementTag.TAG_WIKI_GALLERY);
String contents = analysis.getContents();
boolean result = false;
int index = 0;
while (index < galleryTags.size()) {
// Check for error
PageElementTag galleryTag = galleryTags.get(index);
boolean found = false;
if (galleryTag.isFullTag() || !galleryTag.isComplete()) {
found = true;
}
int beginIndex = galleryTag.getBeginIndex();
if (found) {
if (analysis.getSurroundingTag(PageElementTag.TAG_WIKI_NOWIKI, beginIndex) != null) {
found = false;
}
}
if (found) {
if (errors == null) {
return true;
}
result = true;
// Check if an other <gallery> tag is just after and can be used
PageElementTag nextTag = null;
if (!galleryTag.isEndTag() && (index + 1 < galleryTags.size())) {
nextTag = galleryTags.get(index + 1);
int currentIndex = galleryTag.getEndIndex();
while ((nextTag != null) && (currentIndex < nextTag.getBeginIndex())) {
char currentChar = contents.charAt(currentIndex);
if ((currentChar != ' ') && (currentChar != '\n')) {
nextTag = null;
}
currentIndex++;
}
if (nextTag != null) {
if ((galleryTag.getParametersCount() > 0) &&
(nextTag.getParametersCount() > 0)) {
nextTag = null;
}
}
}
// Report error
int endIndex = (nextTag != null) ? nextTag.getEndIndex() : galleryTag.getEndIndex();
CheckErrorResult errorResult = createCheckErrorResult(
analysis, beginIndex, endIndex);
if (nextTag == null) {
errorResult.addReplacement("");
index++;
} else if (nextTag.getParametersCount() == 0) {
errorResult.addReplacement(contents.substring(
galleryTag.getBeginIndex(), galleryTag.getEndIndex()));
errorResult.addReplacement(contents.substring(
nextTag.getBeginIndex(), nextTag.getEndIndex()));
index += 2;
} else {
errorResult.addReplacement(contents.substring(
nextTag.getBeginIndex(), nextTag.getEndIndex()));
errorResult.addReplacement(contents.substring(
galleryTag.getBeginIndex(), galleryTag.getEndIndex()));
index += 2;
}
errors.add(errorResult);
} else {
index++;
}
}
return result;
}
}